*** Taxonomy Characterization Data ***

Pedon ID: S1974AZ019008

( Pima, Arizona )

Print Date: Nov 22 2024 3:19PM

Sampled as on Dec 17, 1974:	Tres Hermanos
Revised to correlated:	SAHUARITA ; Coarse-loamy, mixed, thermic Typic Haplargids

				United States Department of Agriculture
SSL	-	Project	NL74AZ019   PIMA CO.,E. PART	Natural Resources Conservation Service
	-	Site ID	S1974AZ019008   Lat: 32° 5' 26.01" north  Long: 110° 51' 57.01" west	National Soil Survey Center
	-	Pedon No.	74C0179	Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

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Taxonomy Tier 1				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-
					Fine	CaCO3	1500		.1-75	Bulk	Cole	Vol	Resist
				Clay	Clay	Clay	kPa	Clay	mm	Den	Whole	% of	Min
	Depth			<.002	<.0002	<.002	/Clay	Est	Frac	33 kPa	Soil	Whole	%
Layer	(cm)	Horz	Prep	(---------% of <2 mm-------)				(-------- % --------)		g cm-3	cm cm-1
				3A1a1a		3A1a1a	8D1			4A1d
74C01059	0-3	A	S	12.2		2.0	0.38		60	1.56	0.009	12
74C01060	3-8	Bt1	S	14.9		2.0	0.34		57			11
74C01061	8-26	Bt21	S	17.1		3.0	0.30		53	1.46	0.008	8
74C01062	26-43	Bt22	S	22.1		4.0	0.32		60			19
74C01063	43-72	Btk11	S	23.9		8.0	0.33		50			12
74C01064	72-114	Btk12	S	22.8		8.0	0.33		46	1.48	0.020	10
74C01065	114-147	Btk2	S	17.1		4.0	0.34		57			9
74C01066	147-160	2C	S	27.7		2.0	0.39		25			1

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Taxonomy Tier 2				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-
				pH	pH	Org	Tot	Al+½ Fe		CO3 as	(--- Base Sat ---)		NZ	ECEC	CEC7	ECEC	Al
	Depth			H2O	NaF	C	C	Oxal	ODOE	CaCO3	NH4	Bases	P Ret	cmol(+)	/Clay	/Clay	Sat	E C	ESP
Layer	(cm)	Horz	Prep			(------------------------------------------ % --------------------------------------------)								kg -1			%	dS m-1	%
				4C1a2a		6A1c				6E1g	5C1	5C3			8D1			8A3a	5D2
74C01059	0-3	A	S	8.5		0.32				5	100*	100			0.70				--
74C01060	3-8	Bt1	S	8.4		0.31				8	100*	100			0.60			1.34	1
74C01061	8-26	Bt21	S	8.0		0.30				9	100*	100			0.61			4.39	2
74C01062	26-43	Bt22	S	8.2		0.39				12	100*	100			0.52			3.45	8
74C01063	43-72	Btk11	S	8.6						25	100*	100			0.36				15
74C01064	72-114	Btk12	S	9.1						31	100*	100			0.32				32
74C01065	114-147	Btk2	S	8.4						17	100*	100			0.44				5
74C01066	147-160	2C	S	8.5						17	100*	100			0.58			0.54	12

^*Extractable Ca may contain Ca from calcium carbonate or gypsum.

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Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.65	(NA)
Clay, carbonate free, Weighted Average	16	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	54	% wt
Volume, >2mm, Weighted Average	13	% vol
Clay, total, Weighted Average	21	% wt
Weighted averages based on control section: 8-58 cm